LIGHT UNFLAVORED MESONS($\boldsymbol S$ = $\boldsymbol C$ = $\boldsymbol B$ = 0) For $\mathit I = 1$ (${{\mathit \pi}}$, ${{\mathit b}}$, ${{\mathit \rho}}$, ${{\mathit a}}$): ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit d}}}$, ( ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit u}}}−$ ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit d}}})/\sqrt {2 }$, ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit u}}}$;for $\mathit I = 0$ (${{\mathit \eta}}$, ${{\mathit \eta}^{\,'}}$, ${{\mathit h}}$, ${{\mathit h}^{\,'}}$, ${{\mathit \omega}}$, ${{\mathit \phi}}$, ${{\mathit f}}$, ${{\mathit f}^{\,'}}$): ${\mathit {\mathit c}}_{{\mathrm {1}}}$( ${{\mathit u}}{{\overline{\mathit u}}}$ $+$ ${{\mathit d}}{{\overline{\mathit d}}}$ ) $+$ ${\mathit {\mathit c}}_{{\mathrm {2}}}$( ${{\mathit s}}{{\overline{\mathit s}}}$ ) INSPIRE search

# ${{\boldsymbol \rho}{(1900)}}$ $I^G(J^{PC})$ = $1^+(1^{- -})$

See our mini-review under the ${{\mathit \rho}{(1700)}}$.
 ${{\mathit \rho}{(1900)}}$ MASS
 ${{\mathit \rho}{(1900)}}$ WIDTH
 $\Gamma_{1}$ 6 ${{\mathit \pi}}$ seen
 $\Gamma_{2}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}$ seen
 $\Gamma_{3}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$
 $\Gamma_{4}$ ${{\mathit \phi}}{{\mathit \pi}}$
 $\Gamma_{5}$ hadrons seen
 $\Gamma_{6}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ seen
 $\Gamma_{7}$ ${{\overline{\mathit N}}}{{\mathit N}}$ not seen